---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36730 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 67G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 632 10380 4 4976 15014 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:86:83:25 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.5/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84811sec preferred_lft 84811sec inet6 fe80::f816:3eff:fe86:8325/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:e0:78:c3:b7:31 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36730) 07/18/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:18 4.40 0.14 4.05 0.21 10.40 728.41 172.27 00:50:05 20.24 0.53 18.16 1.55 19.53 2548.47 16884.24 Average: 12.12 0.33 10.93 0.86 14.85 1615.36 8316.29 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:18 10343500 13467328 2495676 15.24 116144 3160652 2764072 15.87 502272 5185292 14260 00:50:05 9316104 13580524 2376656 14.52 137392 4229824 2538720 14.57 850440 5786260 659476 Average: 9829802 13523926 2436166 14.88 126768 3695238 2651396 15.22 676356 5485776 336868 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:18 lo 0.63 0.63 0.37 0.37 0.00 0.00 0.00 0.00 00:40:18 ens3 18.16 13.65 78.33 3.72 0.00 0.00 0.00 0.00 00:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 476.88 476.88 453.89 453.89 0.00 0.00 0.00 0.00 00:50:05 ens3 55.71 40.49 539.65 7.24 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 232.72 232.72 221.38 221.38 0.00 0.00 0.00 0.00 Average: ens3 36.46 26.73 303.14 5.44 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36730) 07/18/26 _x86_64_ (4 CPU) 00:25:29 LINUX RESTART (4 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:18 all 50.52 0.00 0.74 0.02 0.08 48.64 00:40:18 0 44.75 0.00 0.65 0.03 0.08 54.50 00:40:18 1 64.57 0.00 0.81 0.02 0.08 34.52 00:40:18 2 48.22 0.00 0.78 0.03 0.08 50.90 00:40:18 3 44.56 0.00 0.71 0.01 0.08 54.65 00:50:05 all 59.01 0.00 1.45 0.05 0.09 39.40 00:50:05 0 52.06 0.00 1.32 0.06 0.09 46.46 00:50:05 1 60.99 0.00 1.37 0.03 0.09 37.54 00:50:05 2 65.37 0.00 1.66 0.09 0.09 32.79 00:50:05 3 57.62 0.00 1.45 0.04 0.09 40.80 Average: all 54.65 0.00 1.08 0.04 0.08 44.14 Average: 0 48.31 0.00 0.98 0.04 0.08 50.58 Average: 1 62.82 0.00 1.08 0.02 0.08 35.99 Average: 2 56.56 0.00 1.21 0.06 0.09 42.09 Average: 3 50.92 0.00 1.07 0.02 0.08 47.91